CN202628339U - Intake manifold of automobile engine - Google Patents
Intake manifold of automobile engine Download PDFInfo
- Publication number
- CN202628339U CN202628339U CN 201220297402 CN201220297402U CN202628339U CN 202628339 U CN202628339 U CN 202628339U CN 201220297402 CN201220297402 CN 201220297402 CN 201220297402 U CN201220297402 U CN 201220297402U CN 202628339 U CN202628339 U CN 202628339U
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- CN
- China
- Prior art keywords
- intake manifold
- air flue
- stabilizing cavity
- bending part
- pressure stabilizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides an intake manifold of an automobile engine. The manifold comprises an intake port, a pressure stabilizing cavity and an air flue, wherein the pressure stabilizing cavity is communicated with the intake port and the inlet end of the air flue, the outlet end of the air flue is communicated with a cylinder head of the automobile engine, the air flue is provided with a first bending portion which bends vertically and a second bending portion connected with the first bending portion, the bending directions of the first bending portion and the second bending portion are opposite, the first bending portion is close to the inlet end of the air flue, and the second bending portion is close to the outlet end of the air flue. According to the intake manifold, the linear structure of the linear type intake manifolds is changed, two bending portions with opposite bending directions are arranged, therefore not only the length of the intake manifold is increased and the performance of the automobile engine equipped with the intake manifold is good under a working condition of a medium revolving speed, but also the height of the engine is not influenced on the premise that the length of the intake manifold is increased.
Description
Technical field
The utility model relates to automobile manufacturing field, particularly a kind of intake manifold of motor car engine.
Background technique
Intake manifold is the device that air, fuel mixture or clean air is assigned to as far as possible equably each cylinder.The intake manifold of the motor car engine of using in the minicar at present commonly used since due to the structure space normal length shorter; Such length and structure generally are the high speed performances of having taken motor into account, but cause common in, engine performance and theoretical value during the low speed operating mode differ more.
In addition, the structure of present intake manifold is considered not enough to the influence of motor vehicle emission, cause the emission level of automobile higher always.
The model utility content
In view of this, the utility model provides a kind of intake manifold of motor car engine, and its structure through the change intake manifold has increased the length of intake manifold, is applicable to the medium rotating speed operating mode of motor.
The utility model provides a kind of intake manifold of motor car engine, comprises suction port, the pressure stabilizing cavity that is communicated with suction port, and air flue,
The inlet end of said air flue is communicated with pressure stabilizing cavity, and the outlet side is communicated with the cylinder cap of motor car engine,
Said air flue has vertically crooked first bending part and second bending part that is connected with this first bending part, and the bending direction of first bending part and second bending part is opposite,
The inlet end of the contiguous air flue of said first bending part, the outlet side of the contiguous air flue of said second bending part.
Preferably, the bending direction of said first bending part is recessed down, and the bending direction of second bending part is protruding upward.
Preferably, diameter reduces said air flue gradually from inlet end to outlet side.
Preferably, further comprise EGR (Exhaust Gas Recirculation, exhaust gas recirculatioon) interface on the said pressure stabilizing cavity, input in the pressure stabilizing cavity with a part of exhaust with motor car engine.
Preferably, the outside of said air flue further comprises a plurality of stiffening ribs.
Preferably, further comprise the triangle stiffening rib between the upside of the outside upside of said first bending part and said pressure stabilizing cavity outside;
Further comprise latticed tabular stiffening rib of arranging between the downside of downside that said first bending part is outside and said pressure stabilizing cavity outside.
Preferably, the outside of said first bending part and/or second bending part further comprises a plurality of tabular stiffening ribs.
Preferably, said pressure stabilizing cavity further comprises vacuum servo interface tube, suction pressure temperature sensor interface, PCV (Positive Crankcase Ventilation, positive crankcase ventilation (PCV)) valve interface tube and the carbon pipe control valve interface that is communicated with pressure stabilizing cavity; The outer surface of pressure stabilizing cavity further is provided with carbon pipe control valve installation base;
Said suction pressure temperature sensor interface place installing suction pressure temperature transducer, the measurement signal of said suction pressure temperature transducer transfers to the electronic control unit of motor car engine.
Preferably, the outside downside of said pressure stabilizing cavity has the support that at least one is used to support this pressure stabilizing cavity, and said pressure stabilizing cavity bottom has the installation base that at least one is used for this support
The left and right sides of the outside of said air flue has at least one car load sebific duct supporting element respectively.
Visible by technique scheme; The intake manifold of the motor car engine of the utility model has changed the structure of existing straight line type intake manifold; Through two bendings that bending direction is opposite are set; Not only increased the length of intake manifold, motor car engine that make to use this intake manifold functional under medium rotating speed operating mode, and under the situation of lengthening intake manifold length, can not influence the height of motor again.
Further; Integrated multiple interfaces such as EGR interface tube, suction pressure temperature sensor interface on the pressure stabilizing cavity of the intake manifold of the utility model; Make structure compact more; And be introduced in the pressure stabilizing cavity of intake manifold through of the part exhaust of EGR pipe, thereby utilize the part exhaust, have significant raising reducing emission level with motor.
Description of drawings
Fig. 1 is the structural representation of intake manifold of the motor car engine of the utility model;
Fig. 2 is the right elevation of intake manifold of the motor car engine of the utility model;
Fig. 3 is the plan view of intake manifold of the motor car engine of the utility model.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to the utility model further explain.
The intake manifold of the motor car engine of the utility model has changed the structure of existing straight line type intake manifold; Through two bendings that bending direction is opposite are set; Not only increased the length of intake manifold; Motor car engine that make to use this intake manifold functional under medium rotating speed operating mode, and under the situation of lengthening intake manifold length, can not influence the height of motor again.
Fig. 1 is the structural representation of intake manifold of the motor car engine of the utility model.As shown in Figure 1, the intake manifold of the motor car engine of the utility model comprises suction port 101, the pressure stabilizing cavity 102 that is communicated with suction port 101, and air flue 103.The inlet end of air flue 103 is communicated with pressure stabilizing cavity 102, and outlet side 104 is communicated with the cylinder cap of motor car engine.
Wherein, to have first a vertically crooked bending part 201 opposite with the bending direction of second bending part, 202, the first bending parts 201 that are connected with this first bending part 201 and second bending part 202 for air flue 103.Further, the inlet end of first bending part, 201 contiguous air flues 103, the outlet side 104 of second bending part, 202 contiguous air flues 103.
As shown in Figure 1, through being set to, air flue 103 connects to form by two opposite bending parts of bending direction, under the inlet end of air flue 103 condition identical, increased the length of air flue 103 with the distance between the outlet side.This increase of airway length is greatly improved the middling speed performance of this motor; And also be more or less the same through its high, low speed performance of evidence and theoretical value; Compare with existing straight line type intake manifold, make motor car engine in main application operating mode, can both have good performance.
In addition,, make the shape that totally presents S of air flue 103, therefore when increasing air flue 103 length, can not influence the height of motor because the bending direction of first bending part 201 and second bending part 202 is opposite.
Preferably, as shown in Figure 1, the bending direction of first bending part 201 is recessed down, and the bending direction of second bending part 202 is protruding upward.Such bending direction is provided with and is beneficial to the speed that increases air-flow, utilizes the inertia inflation more fully.
Further, the diameter of air flue 103 reduces along the direction from its inlet end to outlet side gradually, and promptly the diameter of the inlet end of air flue 103 is greater than the diameter of outlet side.Like this, when air-flow from pressure stabilizing cavity 102 beginning, when getting in the The combustion chamber through the air flue 103 of convergent, the speed of air-flow increases gradually, can utilize inertia to inflate to cylinder cap fully like this, helps to improve engine performance.
Usually as shown in Figure 2, air flue 103 comprises a plurality of airway branch that are set up in parallel, and the quantity of this airway branch is by the structures shape of motor.For example, four cylinder engine as shown in Figure 2, it has four airway branch that are set up in parallel 131,132,133 and 134, and the length of these four airway branch is identical with shape.
Because increased the length of air flue 103, air flue 103 itself has formed cantilever beam structure.In order to guarantee the intensity of intake manifold, a plurality of stiffening ribs that are used to support air flue 103 of the outer installment of air flue 103.Wherein, as depicted in figs. 1 and 2, can be respectively difform stiffening rib be set respectively in corner that first bending part 201 and pressure stabilizing cavity 102 form at the upside and the downside of first bending part 201.For example; Between the upside of the outside upside of first bending part 201 and pressure stabilizing cavity 102 outsides, further comprise triangle stiffening rib 401; Further comprise latticed tabular stiffening rib 402 of arranging between the downside of first bending part, 201 outsides and the downside of pressure stabilizing cavity 102 outsides; This tabular stiffening rib 402 can be arranged and is the for example shape of " well " word, to increase holding strength.Be connected the setting of the stiffening rib between first bending part and the pressure stabilizing cavity through these; Make the relatively large pressure stabilizing cavity of volume further support is provided for leptosomatic air flue; Thereby realize to improve the purpose of air flue intensity, with the working life of the intake manifold that prolongs the utility model.
Likewise, the outside of first bending part 201 and/or second bending part 202 can further comprise a plurality of tabular stiffening ribs 403.
Because pressure stabilizing cavity 102 need bear bigger gas shock power; And need provide support power for air flue 103; Therefore; Pressure stabilizing cavity 102 outside belows have the support that at least one is used to support this pressure stabilizing cavity 102, and correspondingly, the bottom of pressure stabilizing cavity 102 is provided with at least one installation base that is used for this support 404 through casting.
Further, for the component to the car load part provide support, avoid car load to increase supporting structure, reduce whole number of components and parts, the outside of air flue 103 can be provided for the car load sebific duct supporting element 405 of fixing other sebific duct parts respectively in its left and right sides.For example, then as shown in Figure 3 in the left and right sides of air flue 103, a car load sebific duct supporting element 405 is set respectively at its two ends along the length direction of air flue 103, four car load sebific duct supporting elements 405 can be set in the outside of air flue 103 altogether.Further, as shown in Figure 2, at the outer surface of pressure stabilizing cavity 102 carbon pipe control valve installation base 406 can be set.
For the structure of the intake manifold of the motor that makes the utility model is compact more, interfaces such as EGR interface 407, vacuum servo interface tube 408, suction pressure temperature sensor interface 409 and 410, PCV valve interface tube 411 and carbon pipe control valve interface 412 can be set further also on the pressure stabilizing cavity 102.
Wherein, the EGR pipe is communicated with pressure stabilizing cavity 102 through EGR interface 407, and its part exhaust with motor inputs in the pressure stabilizing cavity 102, improves the exhaust gas constituents in the mixed gas, thereby realizes the utilization again of engine emission, reduces the emission level of motor.
Suction pressure temperature sensor interface 409 and 410 places installing suction pressure temperature transducer, the measurement signal of suction pressure temperature transducer transfers to the electronic control unit of motor car engine, so that electronic control unit is made corresponding judgement according to this signal.
To sum up; The intake manifold of the motor car engine of the utility model has changed the structure of existing straight line type intake manifold; Through two bendings that bending direction is opposite are set; Not only increased the length of intake manifold, motor car engine that make to use this intake manifold functional under medium rotating speed operating mode, and under the situation of lengthening intake manifold length, can not influence the height of motor again.
Further; Integrated multiple interfaces such as EGR interface tube, suction pressure temperature sensor interface on the pressure stabilizing cavity of the intake manifold of the utility model; Make structure compact more; And be introduced in the pressure stabilizing cavity of intake manifold through of the part exhaust of EGR pipe, thereby utilize the part exhaust, have significant raising reducing emission level with motor.
Though the intake manifold of the utility model has strengthened the length of air flue; But since the air flue outside and pressure stabilizing cavity arranged outside many places stiffening rib and installation base; Make owing to the structural strength of the overhang that forms than long air flue to intake manifold can not make a big impact, improved the bulk strength of intake manifold.And through at intake manifold outer installment car load sebific duct supporting element, can provide support, avoid car load to increase supporting structure, reduce whole amount of parts for car load part component.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (10)
1. the intake manifold of a motor car engine is characterized in that, comprises suction port, the pressure stabilizing cavity that is communicated with suction port, and air flue,
The inlet end of said air flue is communicated with pressure stabilizing cavity, and the outlet side is communicated with the cylinder cap of motor car engine,
Said air flue has vertically crooked first bending part and second bending part that is connected with this first bending part, and the bending direction of first bending part and second bending part is opposite,
The inlet end of the contiguous air flue of said first bending part, the outlet side of the contiguous air flue of said second bending part.
2. the intake manifold of motor car engine according to claim 1 is characterized in that, the bending direction of said first bending part is recessed down, and the bending direction of second bending part is protruding upward.
3. the intake manifold of motor car engine according to claim 2 is characterized in that, diameter reduces said air flue gradually from inlet end to outlet side.
4. the intake manifold of motor car engine according to claim 3 is characterized in that, further comprises the EGR interface on the said pressure stabilizing cavity, inputs in the pressure stabilizing cavity with a part of exhaust with motor car engine.
5. according to the intake manifold of claim 3 or 4 described motor car engines, it is characterized in that the outside of said air flue further comprises a plurality of stiffening ribs.
6. the intake manifold of motor car engine according to claim 5 is characterized in that, further comprises the triangle stiffening rib between the upside of upside that said first bending part is outside and said pressure stabilizing cavity outside;
Further comprise latticed tabular stiffening rib of arranging between the downside of downside that said first bending part is outside and said pressure stabilizing cavity outside.
7. the intake manifold of motor car engine according to claim 6 is characterized in that, the outside of said first bending part and/or second bending part further comprises a plurality of tabular stiffening ribs.
8. according to the intake manifold of claim 3 or 4 described motor car engines, it is characterized in that said pressure stabilizing cavity further comprises vacuum servo interface tube, suction pressure temperature sensor interface, PCV valve interface tube and the carbon pipe control valve interface that is communicated with pressure stabilizing cavity; The outer surface of pressure stabilizing cavity further is provided with carbon pipe control valve installation base;
Said suction pressure temperature sensor interface place installing suction pressure temperature transducer, the measurement signal of said suction pressure temperature transducer transfers to the electronic control unit of motor car engine.
9. according to the intake manifold of claim 3 or 4 described motor car engines, it is characterized in that the outside downside of said pressure stabilizing cavity has the support that at least one is used to support this pressure stabilizing cavity, said pressure stabilizing cavity bottom has the installation base that at least one is used for this support.
10. according to the intake manifold of claim 3 or 4 described motor car engines, it is characterized in that the left and right sides of the outside of said air flue has at least one car load sebific duct supporting element respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297402 CN202628339U (en) | 2012-06-21 | 2012-06-21 | Intake manifold of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297402 CN202628339U (en) | 2012-06-21 | 2012-06-21 | Intake manifold of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628339U true CN202628339U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220297402 Expired - Lifetime CN202628339U (en) | 2012-06-21 | 2012-06-21 | Intake manifold of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500292A (en) * | 2014-12-18 | 2015-04-08 | 重庆小康工业集团股份有限公司 | Engine intake manifold assembly |
-
2012
- 2012-06-21 CN CN 201220297402 patent/CN202628339U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500292A (en) * | 2014-12-18 | 2015-04-08 | 重庆小康工业集团股份有限公司 | Engine intake manifold assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450016 Zhengzhou East Road, Henan, No. seventeen, No. 1689 Patentee after: HAIMA MOTOR Corp. Patentee after: Haima Business Automobile Co.,Ltd. Address before: 450016 Zhengzhou East Road, Henan, No. seventeen, No. 1689 Patentee before: HAIMA CAR Co.,Ltd. Patentee before: Haima Business Automobile Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450016 Zhengzhou East Road, Henan, No. seventeen, No. 1689 Co-patentee after: HAIMA NEW ENERGY VEHICLE Co.,Ltd. Patentee after: HAIMA MOTOR Corp. Address before: 450016 Zhengzhou East Road, Henan, No. seventeen, No. 1689 Co-patentee before: Haima Business Automobile Co.,Ltd. Patentee before: HAIMA MOTOR Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |